Parramatta vs Richmond
Side-by-side tap water quality comparison
Which suburb has better water?
It's very close! Parramatta scores 9.5/10 and Richmond scores 9.5/10. Both suburbs have similar water quality based on ADWG compliance data.
Visual comparison
Key metrics comparison
Full water quality comparison
All parameters compared against Australian Drinking Water Guidelines (ADWG)
| Parameter | Parramatta | Richmond | Unit | ADWG Guideline |
|---|---|---|---|---|
| Aluminium | 0.013 Good | — | mg/L | < 0.2 |
| Ammonia | 0.226 Measured | — | mg/L | No limit |
| Chloride | 0.004 Good | — | mg/L | < 250 |
| Colour | 3 Good | 2 Good | HU | < 15 |
| Copper | 0.019 Good | — | mg/L | < 2 |
| Dissolved Oxygen | 102.7 Measured | — | % saturation | No limit |
| E. coli | 0 Compliant | 0 Compliant | orgs/100 mL | < 0 |
| Electrical Conductivity | — | 65 Measured | No limit | |
| Fluoride | 1.01 Good | 0.79 Good | mg/L | < 1.5 |
| Free Chlorine | 0.04 Good | 0.65 Good | mg/L | < 5 |
| Hardness | 49.9 Good | 16 Good | mg/L | < 200 |
| Iron | 0.006 Good | 0.06 Good | mg/L | < 0.3 |
| Manganese | 0.0017 Good | 0.004 Good | mg/L | < 0.1 |
| Monochloramine | 1.74 Good | — | mg/L | < 3 |
| Ndma | 0.0001 Measured | — | mg/L | No limit |
| PFOA | 0.0002 Good | — | µg/L | < 0.2 |
| PFOS + PFHxS | 0.0014 Good | — | µg/L | PFOS < 0.008, PFHxS < 0.03 |
| pH | 7.9 Normal | 7.4 Normal | pH units | 6.5 – 8.5 |
| Sodium | — | 4.9 Good | mg/L | < 180 |
| Sulfate | 8.8 Good | — | mg/L | < 500 |
| Temperature | 19 Measured | — | degrees C | No limit |
| Total Chlorine | — | 0.8 Good | mg/L | < 5 |
| Total Dissolved Solids | 137 Good | — | mg/L | < 600 |
| Trihalomethanes | 0.09 Good | 0.063 Good | mg/L | < 0.25 |
| Turbidity | 0.11 Good | 0.8 Good | NTU | < 5 |
| Zinc | 0.002 Measured | — | mg/L | No limit |
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Disclaimer: This comparison is for general informational purposes only and does not constitute medical advice or professional guidance. Data is sourced from Sydney Water and Greater Western Water. Values shown are based on the most recent published water quality reports and may not reflect real-time conditions at your tap. Water quality can vary due to local plumbing, seasonal changes, and other factors. For specific health concerns, consult a qualified health professional or contact your local water utility. See our Terms of Use.